The old cliche that the "winners write the history books" certainly applies to the NFL Josh Allen Jersey , and the champions the league has produced in the Super Bowl era. but also some teams that came up just short, that deserve equal amounts of reverence. Some of these would-be champions have boasted an elite offense or defense, and their efforts have been lost when a discussion occurs about the great teams in league history.It's important to take into account that the NFL operates on a single-elimination playoff system, as opposed to most other major American sports, which utilize a series-based system. For any given team to win the Super Bowl Parris Campbell Jersey , they need to win three or four games in a row, which leaves little room for error in the postseason. Many of the teams mentioned here were just as good on paper as the eventual champions, but several mistakes may have cost them the chance for a title win. Had they been given the luxury of a seven-game series, the ending to the story may have been altered. As it stands, they are relegated as afterthoughts in the history of the NFL.Ranked below are 15 largely forgotten teams that could have won a championship, but ultimately did not. JACKSONVILLE http://www.coltsauthorizedshops.com/authentic-bobby-okereke-jersey , Fla. (AP) — The Jacksonville Jaguars have agreed to terms with 21 undrafted rookie free agents, including seven defensive backs.The Jaguars didn’t select a cornerback or a safety during the three-day NFL draft, so they wanted to bring in a number of them in hopes of finding one of two to make the 53-man roster.Jacksonville signed five cornerbacks: Appalachian State’s Tae Hayes, Southern Mississippi’s Picasso Nelson Jr., Murray State’s Marquez Sanford, Alabama’s Saivion Smith and Michigan’s Brandon Watson. They will vie with second-year pros Quenton Meeks and Tre Herndon for roster spots behind starters Jalen Ramsey Khari Willis Jersey , A.J. Bouye and D.J. Hayden.The Jags also signed two undrafted safeties: Wyoming’s Andrew Wingard and Mississippi’s Zedrick Woods.The team parted ways with both 2018 starters, Tashaun Gipson and Barry Church, and opted to go with second-year pro Ronnie Harrison and Jarrod Wilson in the secondary. But there are spots open behind them.Jacksonville also agreed to terms with 14 others: Washington defensive end Shane Bowman, Marshall receiver Tyre Brady, Florida defensive tackle Khairi Clark, Minnesota offensive lineman Donnell Greene Josh Allen Jersey , Duke linebacker Joe Giles-Harris, Southern Illinois receiver Raphael Leonard, Oklahoma tight end Carson Meier, UCF receiver Dredrick Snelson, Kentucky guard Bunchy Stallings, Boston College linebacker Connor Strachan http://www.jaguarsauthorizedshops.com/authentic-jawaan-taylor-jersey , Boston College receiver Michael Walker, Ohio receiver Papi White, Auburn defensive tackle Andrew Williams and North Texas defensive tackle Roderick Young.